Excellent performance without a high price, incorporating all the features that make Mares regulators stand out from the rest. A mid-size regulator with stylish design, strengthened by the ultimate technologies to provide steady, natural and effortless breathing.
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Very natural and effortless breathing
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Soft purge diaphragm with Mesh-Grid
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Mid-size stylish second stage
TRI-MATERIAL VALVE
Patented technology, conceived and created to optimize performance, safety, and reliability. This brass valve is covered with a hard PU then the head is layered olecularly with a soft PU. Tri-material (brass, soft polyurethane, and "heavy duty" polyurethane) reaches a new level of durability.
FLUID DYNAMIC DEFLECTOR
This innovative deflector, developed after in-depth study and tests of fl uid dynamics, is engineered to receive and properly direct the airfl ow from the by-pass tube to the mouthpiece. Combined with the VAD it delivers a very natural and effortless breathing.
DFC - DYNAMIC FLOW CONTROL
DFC system minimizes the intermediate pressure drop during inhalation, making it possible to use a simpler and more reliable second stage. Any type of manual adjustment is not necessary, thanks to the consistency derived from first stages that guarantees a stable flow of air, even under extreme conditions.
VAD - VORTEX ASSISTED DESIGN
All Mares second stages offer the unique patented VAD system. The air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low pressure area in center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depths.
MESH-GRID
The patented mesh design of the second stage cover reduces the pressure of water fl owing onto the second stage diaphragm and minimizes free-flow. Even in strong currents it eliminates the need for a knob to ‘de-tune’ your air delivery system to stop free fl owing: Advanced Technology through basic physics.
MAX COMFORT
Comfort is always one of the primary design elements in Mares equipment. Mares through superior technology continues to research, innovate and upgrade your level of comfort before and during your dive. Equipment marked with Max Comfort bring this quality of comfort to the most up-to-date premier pinnacle.
FOR DEMANDING DIVERS
Those who dive frequently and in difficult conditions need products featuring superior quality and consistent performance, time and time again. Mares has always focused on new technologies and innovative products that lead to concrete benefits: superior reliability and performance will be appreciated by the most experienced demanding divers.
IDEAL FOR TRAVEL
In today’s world of travel we are strictly confined by airline weight restrictions, therefore the design of your equipment needs to encompass elements to be travel friendly. Lightweight, streamlined, easy to pack and hassle free are just some of the elements included in the gear marked for travel.
Tri-Material Valve
The "Tri-material" valve is a Mares patented innovation, conceived and created to optimize performance, safety, and reliability over time for Mares MRT first stages. During operation, the high-pressure valve is subjected to various stresses. In traditional valves, these stresses, combined with extreme usage conditions, can cause premature wear of the valve with a consequent drop in reliability, performance, and safety. After careful study of the forces involved, the pressures that act on the surfaces of the valve, and the usage conditions to which it is subjected, Mares has created the new "Tri-material" valve (brass, soft polyurethane, and "heavy duty" polyurethane), found today on all Mares MRT first stages. This innovative technical solution guarantees maximum performance, safety, and durability for Mares first stages.
DFC
Mares first stages are equipped with the exclusive DFC system, making it possible to minimize intermediate pressure drop during inhalation, demonstrably improving the regulator's performance in every condition, including high demand situations. This means that the regulator remains easy to breathe with, especially when you need it the most. The DFC system, by guaranteeing more stable intermediate pressure, makes it possible to use simpler, more reliable second stages. Mares regulators do not require any type of manual adjustment of the second stage, thanks to the consistency derived from first stages that guarantee a stable flow of air, even under extreme conditions.
VAD - VORTEX ASSISTED DESIGN
All Mares second stages offer the unique, patented, VAD system (Vortex Assisted Design). This unrivaled system eases breathing at all depths. The working principal is very simple. As air comes from the hose, it passes into the second stage and is conveyed directly to the mouthpiece through the by-pass tube. A "vortex" is created in the airflow as it enters the mouthpiece. In the center of this swirling air is an area of a low-pressure. This low pressure helps keep the second stage diaphragm down during inhalation, thus increasing the regulator's sensitivity and minimizing respiratory effort. Regulators with the VAD system, offer improved performance and allow for very natural and comfortable breathing. One of the main causes of ice forming in regulators is the expansion of air inside the second stage case, which causes an abrupt drop in temperature. With the VAD system, air expands inside the by-pass tube and mouthpiece, reducing the likelihood of icing.
Codes: 416174 INT / 416174 DIN
First stage weight: 686g INT / 693g DIN
Second Stage Weight: 198g
Oil/Dry CWD kit Oil
Balanced Diaphram: Balanced diaphragm design
Nitrox: No
Number of HP ports: 2 HP 7/16" UNF ports
Number of LP ports: 4 LP 3/8" UNF ports
Inhale pressure: 10.64
Exhale pressure: 9.61
Ext work of breathing: 1.13
Inhale Work: 0.46
Pos inhale work: 0.00
Exhale work: 0.67
Volume depth of test: 50.4 msw (165.5 fsw)